In order to removal the harmful styrene from the environment ,a new cost-effective adsorbent was prepared through graft polymerization of lauryl acrylate in the polypropylene(PP) nonwoven fabric initiated by ultraviolet (UV) and high energy electron beam(EB).The chemical and morphological changes of the PP nonwoven fabric and grafted nonwoven fabric were characterized by the Fourier transform infrared (FT-IR) attenuated total reflectance (ATR), contact angle(CA) and scanning electron microscopy (SEM), the distribution of hydrophobic alkyl chains influencing the adsorption capacity were discussed at the different adsorption temperature and flow rate. The results indicate that the hydrophobic alkyl chains are only distributed in the surface of nonwoven fabric initiated by UV, however the hydrophobic alkyl chains are dispersed in the inner and outer surface of nonwoven fabric initiated by EB. Contrasted with the PP nonwoven fabric, when the degree of grafting is similar to 132.0% initiated by UV and EB, the breakthrough time increases from 50 min to 80 min and 120 min respectively.